<%--
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  User: 24044
  Date: 2021/6/13
  Time: 22:21
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--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%--    <%--%>
<%--        Object user = session.getAttribute("user");--%>
<%--    // 如果等于 null，说明还没有登录--%>
<%--        if (user == null) {--%>
<%--        request.getRequestDispatcher("/login.jsp").forward(request,response);--%>
<%--        return;--%>
<%--    }--%>
<%--    %>--%>
我是a.jsp文件
</body>
</html>
